diff --git a/bsp/stm32/stm32l431-tencentos-tiny-EVB_MX+/SConstruct b/bsp/stm32/stm32l431-tencentos-tiny-EVB_MX+/SConstruct
index b0c451de58..02c7aa4726 100644
--- a/bsp/stm32/stm32l431-tencentos-tiny-EVB_MX+/SConstruct
+++ b/bsp/stm32/stm32l431-tencentos-tiny-EVB_MX+/SConstruct
@@ -8,7 +8,7 @@ else:
     RTT_ROOT = os.path.normpath(os.getcwd() + '/../../..')
 
 # set RTT_ROOT
-if not os.getenv("RTT_ROOT"): 
+if not os.getenv("RTT_ROOT"):
     RTT_ROOT="rt-thread"
 
 sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
@@ -39,7 +39,7 @@ Export('env')
 Export('RTT_ROOT')
 Export('rtconfig')
 
-SDK_ROOT = os.path.abspath('./')
+SDK_ROOT = os.path.abspath('../')
 
 if os.path.exists(SDK_ROOT + '/libraries'):
     libraries_path_prefix = SDK_ROOT + '/libraries'
diff --git a/bsp/stm32/stm32l431-tencentos-tiny-EVB_MX+/board/Kconfig b/bsp/stm32/stm32l431-tencentos-tiny-EVB_MX+/board/Kconfig
index c82d1c5907..cea70caaf6 100644
--- a/bsp/stm32/stm32l431-tencentos-tiny-EVB_MX+/board/Kconfig
+++ b/bsp/stm32/stm32l431-tencentos-tiny-EVB_MX+/board/Kconfig
@@ -36,7 +36,7 @@ menu "On-chip Peripheral Drivers"
                 depends on BSP_USING_UART1 && RT_SERIAL_USING_DMA
                 default n
         endif
-    
+
     menuconfig BSP_USING_ADC
         bool "Enable ADC"
         default n
@@ -87,19 +87,19 @@ menu "On-chip Peripheral Drivers"
                 bool "Enable SPI3 BUS(WAN Interface)"
                 default n
         endif
-    
+
     config BSP_USING_QSPI_FLASH
         bool "Enable QSPI FLASH (NAND Flash 8MB)"
         select BSP_USING_QSPI
         select RT_USING_SFUD
         select RT_SFUD_USING_SFDP
-        default n 
+        default n
 
     config BSP_USING_SDCARD
         bool "Enable SDCARD (sdio)"
         select BSP_USING_SDIO
         default n
-    
+
     menuconfig BSP_USING_I2C1
         bool "Enable I2C1 BUS (software simulation)"
         default n
@@ -117,7 +117,7 @@ menu "On-chip Peripheral Drivers"
                 default 25
         endif
 
-    rsource "../libraries/HAL_Drivers/drivers/Kconfig"
+    rsource "../../libraries/HAL_Drivers/drivers/Kconfig"
 
 endmenu